Rep. Gabrielle Giffords vows to return to Congress in a new book that details months of intense therapy and her emotional battle to come to terms with what happened when a gunman opened fire in front of a Tucson grocery store.

For Jack Ballentine, balancing work and family was sometimes a life-or-death struggle.
The former Phoenix undercover officer remembers a "client" calling during his son's batting practice. As several kids waited nearby, the detective launched into his hitman persona, discussing how he could help his client wipe out his targets with two pounds of C-4 explosives.